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题解 | #DNA序列#

while True: try: s, n = input(), int(input()) if n >= len(s): print(s) else: Max, beg, end = 0,...

Python3

2021-10-17

0 385

题解 | #截取字符串#

while True: try: s, n = input(), int(input()) print(s[:n]) except: break

Python3

2021-10-17

0 338

题解 | #名字的漂亮度#

while True: try: n = int(input()) names = [input() for _ in range(n)] for name in names: dic = {} ...

Python3

2021-10-17

0 379

题解 | #字符串合并处理#

while True: try: # 第一步 s = ''.join(input().split()) # 第二步 l1 = [s[i] for i in range(len(s)) if i % 2 == 0] # 下标偶数 ...

Python3

2021-10-17

0 554

题解 | #字符串加解密#

letters = 'abcdefghijklmnopqrstuvwxyz' nums = '0123456789' def encode(s): res = '' for c in s: if c.isalpha(): if c.isupp...

Python3

2021-10-17

0 513

题解 | #删除字符串中出现次数最少的字符#

while True: try: s = input() dic, res = {}, '' for c in s: if c not in dic: dic[c] = 1 ...

Python3

2021-10-17

110 5756

题解 | #字符统计#

while True: try: s = input() # 统计字符次数 dic = {} for c in s: if c not in dic: dic[c] = 1...

Python3

2021-10-16

0 474

题解 | #字符串排序#

while True: try: s = input() already, lst, dic = [], [], {} # 连接相同的字母（忽略大小写)，将其添加到lst中，如['Bb', 'aA'] # 同时用dic记录非字母...

Python3

2021-10-16

3 580

题解 | #密码强度等级#

levels = { 90 : 'VERY_SECURE', 80 : 'SECURE', 70 : 'VERY_STRONG', 60 : 'STRONG', 50 : 'AVERAGE', 25 : 'WEAK', 0 : 'VERY_WE...

Python3

2021-10-16

0 483

题解 | #走方格的方案数#

动态规划： while True: try: n, m = map(int, input().split()) dp = [[1] * (n+1)] + [[1] + [0] * n for _ in range(m)] for i in ra...

Python3

2021-10-16

0 401